74HC193N
DIP-16
PHI
Presettable synchronous 4-bit binary up, down counter - Description: Presettable Synchronous 4-Bit Binary Up/Down Counter; Separate Up/Down Clocks ; Fmax: 45 MHz; Logic switching levels: CMOS ; Output drive capability: +/- 5.2 mA ; Power dissipation considerations: Low Power or Battery Applications ; Propagation delay: 20@5V ns; Voltage: 2.0-6.0 V